Kunkle 265

The Model 264 with a high-temperature tungsten alloy spring, extending the range to 750°F. Carbon steel housing with 316 stainless steel trim, for pumps, compressors, pressure vessels and corrosive service. -20°F to 750°F, single 0.110 in² orifice, set from 4 to 3,300 psig. ASME Section VIII and XIII ‘UV’ and National Board certified for air/gas and steam; liquid relief is non-code.

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Inlet Size
1/2", 3/4" or 1" threaded NPT or BSPT, male or female
Seat
Metal seat only – soft seats are not available for ASME Section VIII and XIII steam serviceMetal seat standard; soft seat (Buna-N, EPR, silicone, Viton or neoprene) available at set pressures of 150 psi and above
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